[#EVP_aes_128_ctr]
= EVP_aes_128_ctr
:mrdocs:

Return the AES‐128 cipher in CTR mode.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_CIPHER-07.adoc[EVP_CIPHER] const*
EVP_aes_128_ctr();
----

== Return Value

EVP_CIPHER for aes‐128‐ctr, or NULL if unavailable.


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